package com.xianyun.common.security.config.feign;

import java.util.Map;
import javax.servlet.http.HttpServletRequest;

import com.xianyun.common.core.constant.CacheConstants;
import com.xianyun.common.core.utils.ServletUtils;
import com.xianyun.common.core.utils.StringUtils;
import org.springframework.stereotype.Component;
import feign.RequestInterceptor;
import feign.RequestTemplate;

/**
 * feign 请求拦截器
 *
 * @author ruoyi
 */
@Component
public class FeignRequestInterceptor implements RequestInterceptor
{
    @Override
    public void apply(RequestTemplate requestTemplate)
    {
        HttpServletRequest httpServletRequest = ServletUtils.getRequest();
        Map<String, String> headers = ServletUtils.getHeaders(httpServletRequest);
        // 传递用户信息请求头，防止丢失
        String userId = headers.get(CacheConstants.DETAILS_USER_ID);
        if (StringUtils.isNotEmpty(userId))
        {
            requestTemplate.header(CacheConstants.DETAILS_USER_ID, userId);
        }
        String userName = headers.get(CacheConstants.DETAILS_USERNAME);
        if (StringUtils.isNotEmpty(userName))
        {
            requestTemplate.header(CacheConstants.DETAILS_USERNAME, userName);
        }
        String authentication = headers.get(CacheConstants.AUTHORIZATION_HEADER);
        if (StringUtils.isNotEmpty(authentication))
        {
            requestTemplate.header(CacheConstants.AUTHORIZATION_HEADER, authentication);
        }
    }
}